Applies To
Windows 10 Enterprise LTSC 2021 Windows 10 ESU

Windows Secure Boot certificate expiration 

Important: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. This might affect the ability of certain personal and business devices to boot securely if not updated in time. To avoid disruption, we recommend reviewing the guidance and taking action to update certificates in advance. For details and preparation steps, see Windows Secure Boot certificate expiration and CA updates.

Summary

This update makes improvements to Windows setup binaries or any files that setup uses for feature updates in Windows 10, version 21H2 and Windows 10, version 22H2.

How to get this update

Install this update

To install this update, use one of the following release channels.

Available

Next step

Available

This update is available through Windows Update. It will be downloaded and installed automatically.

Prerequisites

There are no prerequisites to apply this update.

Restart information

You do not have to restart your computer after you apply this update.

Update replacement information

This update replaces the previously released update KB5062682.

File information

The English (United States) version of this software update installs files that have the following attributes. This update might contain files for additional languages.

File name

File version

Date

Time

File size

acmigration.dll

10.0.19041.6800

9-Dec-25

16:28

487,832

AcRes.dll

10.0.19041.6800

9-Dec-25

16:28

333,736

Appraiser.dll

10.0.19041.6800

9-Dec-25

16:28

1,899,416

appraiser.sdb

Not versioned

9-Dec-25

16:28

2,456,015

AppraiserRes.dll

10.0.19041.6800

9-Dec-25

16:28

215,424

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:28

323,072

cmi2migxml.dll

10.0.19041.6800

9-Dec-25

16:28

147,328

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:28

347,136

csiagent.dll

10.0.19041.6800

9-Dec-25

16:28

535,960

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:28

338,432

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:28

377,856

diagtrack.dll

10.0.10586.10008

9-Dec-25

16:28

919,736

Dism.exe

10.0.19041.6800

9-Dec-25

16:28

226,216

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:28

394,752

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:28

372,224

Facilitator.dll

10.0.19041.6800

9-Dec-25

16:28

793,984

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:28

342,016

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:28

376,320

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:28

368,640

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:28

237,056

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:28

224,768

MediaSetupUIMgr.dll

10.0.19041.6800

9-Dec-25

16:28

13,846,944

migcore.dll

10.0.19041.6800

9-Dec-25

16:28

6,859,168

mighost.exe

10.0.19041.6800

9-Dec-25

16:28

249,752

migisol.dll

10.0.19041.6800

9-Dec-25

16:28

119,712

migres.dll

10.0.19041.6800

9-Dec-25

16:28

17,304

MigStore.dll

10.0.19041.6800

9-Dec-25

16:28

995,728

MigSys.dll

10.0.19041.6800

9-Dec-25

16:28

325,024

Mitigation.dll

10.0.19041.6800

9-Dec-25

16:28

298,880

MXEAgent.dll

10.0.19041.6800

9-Dec-25

16:28

258,944

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:28

339,456

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:28

380,928

offline.xml

Not versioned

9-Dec-25

16:28

38,899

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:28

383,488

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:28

356,352

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:28

358,400

ReAgent.dll

10.0.19041.6800

9-Dec-25

16:28

964,480

AppXDeploymentServer-Replacement.man

Not versioned

9-Dec-25

16:28

4,900

EdgeMigrationPlugin.man

Not versioned

9-Dec-25

16:28

923

edpnotify-replacement.man

Not versioned

9-Dec-25

16:28

830

fveApi-replacement.man

Not versioned

9-Dec-25

16:28

1,101

Edge.dat

Not versioned

9-Dec-25

16:28

12,288

EdgeMigrationPlugin.dll

1.0.0.1

9-Dec-25

16:28

90,024

EdgeUpdate.dat

Not versioned

9-Dec-25

16:28

12,288

TileStoreMigrationPlugin.dll

10.0.19041.6800

9-Dec-25

16:28

97,664

AppxUpgradeMigrationPlugin.dll

10.0.19041.6800

9-Dec-25

16:28

380,816

iismig.dll

10.0.19041.6800

9-Dec-25

16:28

312,704

SxsMigPlugin.dll

10.0.19041.6800

9-Dec-25

16:28

109,440

VsmKeyMigPlugin.dll

10.0.19041.6800

9-Dec-25

16:28

68,008

PPIPolicies-General-Replacement.man

Not versioned

9-Dec-25

16:28

2,161

PPIPolicies-Miracast-Replacement.man

Not versioned

9-Dec-25

16:28

1,352

StartTileData-Replacement.man

Not versioned

9-Dec-25

16:28

2,702

tcblaunch-replacement.man

Not versioned

9-Dec-25

16:28

1,902

ReserveManager.dll

10.0.19041.6800

9-Dec-25

16:28

231,832

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:28

355,840

Setup.exe

10.0.19041.6800

9-Dec-25

16:28

244,136

setupcompat.dll

10.0.19041.6800

9-Dec-25

16:28

270,720

SetupCore.dll

10.0.19041.6800

9-Dec-25

16:28

1,900,448

SetupHost.exe

10.0.19041.6800

9-Dec-25

16:28

704,416

SetupMgr.dll

10.0.19041.6800

9-Dec-25

16:28

768,416

SetupPlatform.dll

1.60.19041.6800

9-Dec-25

16:28

7,231,904

SetupPlatform.exe

1.60.19041.6800

9-Dec-25

16:28

152,960

SetupPrep.exe

10.0.19041.6800

9-Dec-25

16:28

10,659,232

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:28

348,672

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:28

336,384

unbcl.dll

10.0.19041.6800

9-Dec-25

16:28

837,032

uninstall.xml

Not versioned

9-Dec-25

16:28

3,508

UpdateAgent.dll

10.0.19041.6800

9-Dec-25

16:28

2,167,192

upgrade_bulk.xml

Not versioned

9-Dec-25

16:28

208,513

upgradeagent.dll

10.0.19041.6800

9-Dec-25

16:28

2,418,592

WinDlp.dll

10.0.19041.6800

9-Dec-25

16:28

1,100,144

winsetup.dll

10.0.19041.6800

9-Dec-25

16:28

3,014,016

WinSetupBoot.sys

10.0.19041.6800

9-Dec-25

16:28

64,384

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:28

182,784

File name

File version

Date

Time

File size

acmigration.dll

10.0.19041.6800

9-Dec-25

16:27

656,256

AcRes.dll

10.0.19041.6800

9-Dec-25

16:27

333,696

Appraiser.dll

10.0.19041.6800

9-Dec-25

16:27

2,261,920

appraiser.sdb

Not versioned

9-Dec-25

16:27

2,759,359

AppraiserRes.dll

10.0.19041.6800

9-Dec-25

16:27

215,936

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

323,072

cmi2migxml.dll

10.0.19041.6800

9-Dec-25

16:27

192,384

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

347,136

csiagent.dll

10.0.19041.6800

9-Dec-25

16:27

725,888

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

338,432

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

377,856

diagtrack.dll

10.0.10586.10008

9-Dec-25

16:27

1,362,104

Dism.exe

10.0.19041.6800

9-Dec-25

16:27

289,152

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

394,752

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

372,224

Facilitator.dll

10.0.19041.6800

9-Dec-25

16:27

1,024,408

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

342,016

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

376,320

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

368,640

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

237,056

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

224,768

MediaSetupUIMgr.dll

10.0.19041.6800

9-Dec-25

16:27

14,034,848

migcore.dll

10.0.19041.6800

9-Dec-25

16:27

9,134,536

mighost.exe

10.0.19041.6800

9-Dec-25

16:27

260,480

migisol.dll

10.0.19041.6800

9-Dec-25

16:27

146,336

migres.dll

10.0.19041.6800

9-Dec-25

16:27

17,320

MigStore.dll

10.0.19041.6800

9-Dec-25

16:27

1,323,904

MigSys.dll

10.0.19041.6800

9-Dec-25

16:27

436,112

Mitigation.dll

10.0.19041.6800

9-Dec-25

16:27

388,496

MXEAgent.dll

10.0.19041.6800

9-Dec-25

16:27

360,352

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

339,456

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

380,928

offline.xml

Not versioned

9-Dec-25

16:27

38,899

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

383,488

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

356,352

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

358,400

ReAgent.dll

10.0.19041.6800

9-Dec-25

16:27

1,165,184

AppXDeploymentServer-Replacement.man

Not versioned

9-Dec-25

16:27

4,900

EdgeMigrationPlugin.man

Not versioned

9-Dec-25

16:27

923

edpnotify-replacement.man

Not versioned

9-Dec-25

16:27

830

fveApi-replacement.man

Not versioned

9-Dec-25

16:27

1,101

Edge.dat

Not versioned

9-Dec-25

16:27

12,288

EdgeMigrationPlugin.dll

1.0.0.1

9-Dec-25

16:27

114,600

EdgeUpdate.dat

Not versioned

9-Dec-25

16:27

12,288

microsoft-hyper-v-migration-replacement.man

Not versioned

9-Dec-25

16:27

6,088

TileStoreMigrationPlugin.dll

10.0.19041.6800

9-Dec-25

16:27

126,888

AppxUpgradeMigrationPlugin.dll

10.0.19041.6800

9-Dec-25

16:27

469,912

iismig.dll

10.0.19041.6800

9-Dec-25

16:27

377,760

SxsMigPlugin.dll

10.0.19041.6800

9-Dec-25

16:27

134,016

VsmKeyMigPlugin.dll

10.0.19041.6800

9-Dec-25

16:27

86,424

PPIPolicies-General-Replacement.man

Not versioned

9-Dec-25

16:27

2,161

PPIPolicies-Miracast-Replacement.man

Not versioned

9-Dec-25

16:27

1,352

StartTileData-Replacement.man

Not versioned

9-Dec-25

16:27

2,702

tcblaunch-replacement.man

Not versioned

9-Dec-25

16:27

1,902

ReserveManager.dll

10.0.19041.6800

9-Dec-25

16:27

302,464

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

355,840

Setup.exe

10.0.19041.6800

9-Dec-25

16:27

294,272

setupcompat.dll

10.0.19041.6800

9-Dec-25

16:27

352,128

SetupCore.dll

10.0.19041.6800

9-Dec-25

16:27

2,368,912

SetupHost.exe

10.0.19041.6800

9-Dec-25

16:27

885,120

SetupMgr.dll

10.0.19041.6800

9-Dec-25

16:27

989,608

SetupPlatform.dll

1.60.19041.6800

9-Dec-25

16:27

9,592,776

SetupPlatform.exe

1.60.19041.6800

9-Dec-25

16:27

170,880

SetupPrep.exe

10.0.19041.6800

9-Dec-25

16:27

10,872,736

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

348,672

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

336,384

unbcl.dll

10.0.19041.6800

9-Dec-25

16:27

1,099,160

uninstall.xml

Not versioned

9-Dec-25

16:27

3,508

UpdateAgent.dll

10.0.19041.6800

9-Dec-25

16:27

2,833,824

upgrade_bulk.xml

Not versioned

9-Dec-25

16:27

208,513

upgradeagent.dll

10.0.19041.6800

9-Dec-25

16:27

3,178,392

WinDlp.dll

10.0.19041.6800

9-Dec-25

16:27

1,439,600

winsetup.dll

10.0.19041.6800

9-Dec-25

16:27

3,782,048

WinSetupBoot.sys

10.0.19041.6800

9-Dec-25

16:27

76,200

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

182,784

File name

File version

Date

Time

File size

acmigration.dll

10.0.19041.6800

9-Dec-25

16:27

672,128

AcRes.dll

10.0.19041.6800

9-Dec-25

16:27

333,720

Appraiser.dll

10.0.19041.6800

9-Dec-25

16:27

2,301,856

appraiser.sdb

Not versioned

9-Dec-25

16:27

1,947,750

AppraiserRes.dll

10.0.19041.6800

9-Dec-25

16:27

215,448

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

323,072

cmi2migxml.dll

10.0.19041.6800

9-Dec-25

16:27

205,224

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

347,136

csiagent.dll

10.0.19041.6800

9-Dec-25

16:27

765,856

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

338,432

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

377,856

diagtrack.dll

10.0.10586.0

9-Dec-25

16:27

1,561,952

Dism.exe

10.0.19041.6800

9-Dec-25

16:27

322,448

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

394,752

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

372,224

Facilitator.dll

10.0.19041.6800

9-Dec-25

16:27

1,091,984

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

342,016

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

376,320

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

368,640

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

237,056

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

224,768

MediaSetupUIMgr.dll

10.0.19041.6800

9-Dec-25

16:27

14,053,792

migcore.dll

10.0.19041.6800

9-Dec-25

16:27

9,860,000

mighost.exe

10.0.19041.6800

9-Dec-25

16:27

262,544

migisol.dll

10.0.19041.6800

9-Dec-25

16:27

141,184

migres.dll

10.0.19041.6800

9-Dec-25

16:27

17,320

MigStore.dll

10.0.19041.6800

9-Dec-25

16:27

1,398,688

MigSys.dll

10.0.19041.6800

9-Dec-25

16:27

466,304

Mitigation.dll

10.0.19041.6800

9-Dec-25

16:27

399,760

MXEAgent.dll

10.0.19041.6800

9-Dec-25

16:27

380,288

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

339,456

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

380,928

offline.xml

Not versioned

9-Dec-25

16:27

38,899

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

383,488

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

356,352

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

358,400

ReAgent.dll

10.0.19041.6800

9-Dec-25

16:27

1,190,800

AppXDeploymentServer-Replacement.man

Not versioned

9-Dec-25

16:27

4,900

EdgeMigrationPlugin.man

Not versioned

9-Dec-25

16:27

923

edpnotify-replacement.man

Not versioned

9-Dec-25

16:27

830

fveApi-replacement.man

Not versioned

9-Dec-25

16:27

1,101

Edge.dat

Not versioned

9-Dec-25

16:27

12,288

EdgeMigrationPlugin.dll

1.0.0.1

9-Dec-25

16:27

122,240

EdgeUpdate.dat

Not versioned

9-Dec-25

16:27

12,288

microsoft-hyper-v-migration-replacement.man

Not versioned

9-Dec-25

16:27

6,088

TileStoreMigrationPlugin.dll

10.0.19041.6800

9-Dec-25

16:27

133,016

AppxUpgradeMigrationPlugin.dll

10.0.19041.6800

9-Dec-25

16:27

502,144

iismig.dll

10.0.19041.6800

9-Dec-25

16:27

391,040

SxsMigPlugin.dll

10.0.19041.6800

9-Dec-25

16:27

144,256

VsmKeyMigPlugin.dll

10.0.19041.6800

9-Dec-25

16:27

92,072

PPIPolicies-General-Replacement.man

Not versioned

9-Dec-25

16:27

2,161

PPIPolicies-Miracast-Replacement.man

Not versioned

9-Dec-25

16:27

1,352

StartTileData-Replacement.man

Not versioned

9-Dec-25

16:27

2,702

tcblaunch-replacement.man

Not versioned

9-Dec-25

16:27

1,902

ReserveManager.dll

10.0.19041.6800

9-Dec-25

16:27

300,960

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

355,840

Setup.exe

10.0.19041.6800

9-Dec-25

16:27

297,344

setupcompat.dll

10.0.19041.6800

9-Dec-25

16:27

372,640

SetupCore.dll

10.0.19041.6800

9-Dec-25

16:27

2,408,344

SetupHost.exe

10.0.19041.6800

9-Dec-25

16:27

903,568

SetupMgr.dll

10.0.19041.6800

9-Dec-25

16:27

1,040,768

SetupPlatform.dll

1.60.19041.6800

9-Dec-25

16:27

10,372,512

SetupPlatform.exe

1.60.19041.6800

9-Dec-25

16:27

175,000

SetupPrep.exe

10.0.19041.6800

9-Dec-25

16:27

10,918,816

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

348,672

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

336,384

unbcl.dll

10.0.19041.6800

9-Dec-25

16:27

1,151,360

uninstall.xml

Not versioned

9-Dec-25

16:27

3,508

UpdateAgent.dll

10.0.19041.6800

9-Dec-25

16:27

3,010,464

upgrade_bulk.xml

Not versioned

9-Dec-25

16:27

208,513

upgradeagent.dll

10.0.19041.6800

9-Dec-25

16:27

3,356,048

WinDlp.dll

10.0.19041.6800

9-Dec-25

16:27

1,491,288

winsetup.dll

10.0.19041.6800

9-Dec-25

16:27

3,825,536

WinSetupBoot.sys

10.0.19041.6800

9-Dec-25

16:27

76,160

AcRes.dll.mui

10.0.19041.6800

9-Dec-25

16:27

182,784

References

Update Windows installation media with Dynamic Update

Description of the standard terminology that is used to describe Microsoft software updates

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